New 8" Dual Diaphragm zinc plated power brake booster kit. This 8" power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The black powder coated mount and pushrod assembly is a direct fit to your factory firewall for that fresh factory look. Also Included in this kit is a new 1" bore master cylinder perfect for most front disc /rear drum or 4 wheel disc brake applications.